<!--
 * @Descripttion: 数据表格组件
 * @version: 1.10
 * @Author: sakuya
 * @Date: 2021年11月29日21:51:15
 * @LastEditors: Xujianchen
 * @LastEditTime: 2023-03-17 10:22:40
-->

<template>
	<div ref="scTableMain" v-loading="loading" class="scTable" :style="{ height: _height }">
		<div class="scTable-table" :style="{ height: _table_height }">
			<el-table
				v-bind="$attrs"
				:key="toggleIndex"
				ref="scTable"
				:data="tableData"
				:row-key="rowKey"
				:height="height == 'auto' ? null : '100%'"
				:size="config.size"
				:border="config.border"
				:stripe="config.stripe"
				:summary-method="remoteSummary ? remoteSummaryMethod : summaryMethod"
				@sort-change="sortChange"
				@filter-change="filterChange"
			>
				<slot></slot>
				<template v-for="(item, index) in userColumn" :key="index">
					<el-table-column
						v-if="!item.hide"
						:column-key="item.prop"
						:label="item.label"
						:prop="item.prop"
						:width="item.width"
						:sortable="item.sortable"
						:fixed="item.fixed"
						:filters="item.filters"
						:filter-method="remoteFilter || !item.filters ? null : filterHandler"
						:show-overflow-tooltip="item.showOverflowTooltip"
					>
						<template #default="scope">
							<slot :name="item.prop" v-bind="scope">
								{{ scope.row[item.prop] }}
							</slot>
						</template>
					</el-table-column>
				</template>
				<el-table-column min-width="1"></el-table-column>
				<template #empty>
					<el-empty :description="emptyText" :image-size="100"></el-empty>
				</template>
			</el-table>
		</div>
		<div v-if="!hidePagination || !hideDo" class="scTable-page">
			<div class="scTable-pagination">
				<el-pagination
					v-if="!hidePagination"
					v-model:currentPage="currentPage"
					background
					:small="true"
					:layout="paginationLayout"
					:total="total"
					:page-size="scPageSize"
					:page-sizes="pageSizes"
					@current-change="paginationChange"
					@update:page-size="pageSizeChange"
				></el-pagination>
			</div>
			<div v-if="!hideDo" class="scTable-do">
				<el-button
					v-if="!hideRefresh"
					icon="el-icon-refresh"
					circle
					style="margin-left: 15px"
					@click="refresh"
				></el-button>
				<el-popover
					v-if="column"
					placement="top"
					title="列设置"
					:width="500"
					trigger="click"
					:hide-after="0"
					@show="customColumnShow = true"
					@after-leave="customColumnShow = false"
				>
					<template #reference>
						<el-button icon="el-icon-set-up" circle style="margin-left: 15px"></el-button>
					</template>
					<columnSetting
						v-if="customColumnShow"
						ref="columnSetting"
						:column="userColumn"
						@userChange="columnSettingChange"
						@save="columnSettingSave"
						@back="columnSettingBack"
					></columnSetting>
				</el-popover>
				<el-popover v-if="!hideSetting" placement="top" title="表格设置" :width="400" trigger="click" :hide-after="0">
					<template #reference>
						<el-button icon="el-icon-setting" circle style="margin-left: 15px"></el-button>
					</template>
					<el-form label-width="80px" label-position="left">
						<el-form-item label="表格尺寸">
							<el-radio-group v-model="config.size" size="small" @change="configSizeChange">
								<el-radio-button label="large">大</el-radio-button>
								<el-radio-button label="default">正常</el-radio-button>
								<el-radio-button label="small">小</el-radio-button>
							</el-radio-group>
						</el-form-item>
						<el-form-item label="样式">
							<el-checkbox v-model="config.border" label="纵向边框"></el-checkbox>
							<el-checkbox v-model="config.stripe" label="斑马纹"></el-checkbox>
						</el-form-item>
					</el-form>
				</el-popover>
			</div>
		</div>
	</div>
</template>

<script>
import config from '@/config/table'
import columnSetting from './columnSetting'

export default {
	name: 'scTable',
	components: {
		columnSetting
	},
	props: {
		tableName: { type: String, default: '' },
		apiObj: { type: Object, default: () => {} },
		params: { type: Object, default: () => ({}) },
		data: { type: Object, default: () => {} },
		height: { type: [String, Number], default: '100%' },
		size: { type: String, default: 'default' },
		border: { type: Boolean, default: false },
		stripe: { type: Boolean, default: false },
		pageSize: { type: Number, default: config.pageSize },
		pageSizes: { type: Array, default: config.pageSizes },
		rowKey: { type: String, default: '' },
		summaryMethod: { type: Function, default: null },
		column: { type: Object, default: () => {} },
		remoteSort: { type: Boolean, default: false },
		remoteFilter: { type: Boolean, default: false },
		remoteSummary: { type: Boolean, default: false },
		hidePagination: { type: Boolean, default: false },
		hideDo: { type: Boolean, default: false },
		hideRefresh: { type: Boolean, default: false },
		hideSetting: { type: Boolean, default: false },
		paginationLayout: { type: String, default: config.paginationLayout }
	},
	watch: {
		//监听从props里拿到值了
		data() {
			this.tableData = this.data
			this.total = this.tableData.total
		},
		apiObj() {
			this.tableParams = this.params
			this.refresh()
		},
		loading(val){
			 this.changeloading(val)
		}
	},
	computed: {
		_height() {
			return Number(this.height) ? Number(this.height) + 'px' : this.height
		},
		_table_height() {
			return this.hidePagination && this.hideDo ? '100%' : 'calc(100% - 50px)'
		}
	},
	data() {
		return {
			scPageSize: this.pageSize,
			isActivat: true,
			emptyText: '暂无数据',
			toggleIndex: 0,
			tableData: [],
			total: 0,
			currentPage: 1,
			prop: null,
			order: null,
			loading: false,
			tableHeight: '100%',
			tableParams: this.params,
			userColumn: [],
			customColumnShow: false,
			summary: {},
			config: {
				size: this.size,
				border: this.border,
				stripe: this.stripe
			}
		}
	},
	mounted() {
		//判断是否开启自定义列
		if (this.column) {
			this.getCustomColumn()
		} else {
			this.userColumn = this.column
		}
		//判断是否静态数据
		if (this.apiObj) {
			this.getData()
		} else if (this.data) {
			this.tableData = this.data
			this.total = this.tableData.length
		}
	},
	activated() {
		if (!this.isActivat) {
			this.$refs.scTable.doLayout()
		}
	},
	deactivated() {
		this.isActivat = false
	},
	methods: {
		//获取列
		async getCustomColumn() {
			const userColumn = await config.columnSettingGet(this.tableName, this.column)
			this.userColumn = userColumn
		},
		//获取数据
		async getData() {
			this.loading = true
			var reqData = {
				[config.request.page]: this.currentPage,
				[config.request.pageSize]: this.scPageSize,
				[config.request.prop]: this.prop,
				[config.request.order]: this.order
			}
			if (this.hidePagination) {
				delete reqData[config.request.page]
				delete reqData[config.request.pageSize]
			}
			Object.assign(reqData, this.tableParams)
			let res
			try {
				if (this.apiObj.get !== undefined) {
					res = await this.apiObj.get(reqData)
				} else {
					let req = { data: reqData }
					res = await this.apiObj.post(req)
				}
			} catch (error) {
				this.loading = false
				this.emptyText = error.statusText
				return false
			}

			try {
				var response = config.parseData(res)
			} catch (error) {
				this.loading = false
				this.emptyText = '数据格式错误'
				return false
			}
			if (response.code !== config.successCode) {
				this.loading = false
				this.emptyText = response.msg
			} else {
				this.emptyText = '暂无数据'
				if (this.hidePagination) {
					this.tableData = response.data || []
				} else {
					this.tableData = response.rows || []
				}
				this.total = response.total || 0
				this.summary = response.summary || {}
				this.loading = false
			}
			this.$refs.scTable.setScrollTop(0)
			this.$emit('dataChange', res, this.tableData)
		},
		changeloading(data){
             this.$emit('loadingData',data)
		},
		//分页点击
		paginationChange() {
			this.getData()
		},
		//条数变化
		pageSizeChange(size) {
			this.scPageSize = size
			this.getData()
		},
		//刷新数据
		refresh() {
			this.$refs.scTable.clearSelection()
			this.getData()
		},
		//更新数据 合并上一次params
		upData(params, page = 1) {
			this.currentPage = page
			this.$refs.scTable.clearSelection()
			Object.assign(this.tableParams, params || {})
			this.getData()
		},
		//重载数据 替换params
		reload(params, page = 1) {
			this.currentPage = page
			this.tableParams = params || {}
			this.$refs.scTable.clearSelection()
			this.$refs.scTable.clearSort()
			this.$refs.scTable.clearFilter()
			this.getData()
		},
		//自定义变化事件
		columnSettingChange(userColumn) {
			this.userColumn = userColumn
			this.toggleIndex += 1
		},
		//自定义列保存
		async columnSettingSave(userColumn) {
			this.$refs.columnSetting.isSave = true
			try {
				await config.columnSettingSave(this.tableName, userColumn)
			} catch (error) {
				this.$message.error('保存失败')
				this.$refs.columnSetting.isSave = false
			}
			this.$message.success('保存成功')
			this.$refs.columnSetting.isSave = false
		},
		//自定义列重置
		async columnSettingBack() {
			this.$refs.columnSetting.isSave = true
			try {
				const column = await config.columnSettingReset(this.tableName, this.column)
				this.userColumn = column
				this.$refs.columnSetting.usercolumn = JSON.parse(JSON.stringify(this.userColumn || []))
			} catch (error) {
				this.$message.error('重置失败')
				this.$refs.columnSetting.isSave = false
			}
			this.$refs.columnSetting.isSave = false
		},
		//排序事件
		sortChange(obj) {
			if (!this.remoteSort) {
				return false
			}
			if (obj.column && obj.prop) {
				this.prop = obj.prop
				this.order = obj.order
			} else {
				this.prop = null
				this.order = null
			}
			this.getData()
		},
		//本地过滤
		filterHandler(value, row, column) {
			const property = column.property
			return row[property] === value
		},
		//过滤事件
		filterChange(filters) {
			if (!this.remoteFilter) {
				return false
			}
			Object.keys(filters).forEach((key) => {
				filters[key] = filters[key].join(',')
			})
			this.upData(filters)
		},
		//远程合计行处理
		remoteSummaryMethod(param) {
			const { columns } = param
			const sums = []
			columns.forEach((column, index) => {
				if (index === 0) {
					sums[index] = '合计'
					return
				}
				const values = this.summary[column.property]
				if (values) {
					sums[index] = values
				} else {
					sums[index] = ''
				}
			})
			return sums
		},
		configSizeChange() {
			this.$refs.scTable.doLayout()
		},
		//插入行 unshiftRow
		unshiftRow(row) {
			this.tableData.unshift(row)
		},
		//插入行 pushRow
		pushRow(row) {
			this.tableData.push(row)
		},
		//根据key覆盖数据
		updateKey(row, rowKey = this.rowKey) {
			this.tableData
				.filter((item) => item[rowKey] === row[rowKey])
				.forEach((item) => {
					Object.assign(item, row)
				})
		},
		//根据index覆盖数据
		updateIndex(row, index) {
			Object.assign(this.tableData[index], row)
		},
		//根据index删除
		removeIndex(index) {
			this.tableData.splice(index, 1)
		},
		//根据index批量删除
		removeIndexes(indexes = []) {
			indexes.forEach((index) => {
				this.tableData.splice(index, 1)
			})
		},
		//根据key删除
		removeKey(key, rowKey = this.rowKey) {
			this.tableData.splice(
				this.tableData.findIndex((item) => item[rowKey] === key),
				1
			)
		},
		//根据keys批量删除
		removeKeys(keys = [], rowKey = this.rowKey) {
			keys.forEach((key) => {
				this.tableData.splice(
					this.tableData.findIndex((item) => item[rowKey] === key),
					1
				)
			})
		},
		//原生方法转发
		clearSelection() {
			this.$refs.scTable.clearSelection()
		},
		toggleRowSelection(row, selected) {
			this.$refs.scTable.toggleRowSelection(row, selected)
		},
		toggleAllSelection() {
			this.$refs.scTable.toggleAllSelection()
		},
		toggleRowExpansion(row, expanded) {
			this.$refs.scTable.toggleRowExpansion(row, expanded)
		},
		setCurrentRow(row) {
			this.$refs.scTable.setCurrentRow(row)
		},
		clearSort() {
			this.$refs.scTable.clearSort()
		},
		clearFilter(columnKey) {
			this.$refs.scTable.clearFilter(columnKey)
		},
		doLayout() {
			this.$refs.scTable.doLayout()
		},
		sort(prop, order) {
			this.$refs.scTable.sort(prop, order)
		}
	}
}
</script>

<style scoped>
.scTable-table {
	height: calc(100% - 50px);
}
.scTable-page {
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 15px;
}
.scTable-do {
	white-space: nowrap;
}
.scTable:deep(.el-table__footer) .cell {
	font-weight: bold;
}
.scTable:deep(.el-table__body-wrapper) .el-scrollbar__bar.is-horizontal {
	height: 12px;
	border-radius: 12px;
}
.scTable:deep(.el-table__body-wrapper) .el-scrollbar__bar.is-vertical {
	width: 12px;
	border-radius: 12px;
}
</style>
